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Harper International: New Turbine Blade Coating System

January 13, 2003
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Harper International has designed a modern heat processing system at Honeywell's Turbine Engine OEM and Repair Facility in Greer, S.C. The furnace system is used for the application of a heat resistant coating on vital aerospace components. An inert gas retort furnace was selected due to the many advantages over a vacuum furnace system. This elevator kiln includes significant enhancements over previous elevator systems, including variable mass flow controlled gas flow into the retort, oxygen and water vapor sensing systems, additional heating elements and control zones for exacting temperature uniformity, and isolated cooling chambers.

For more information, call (716) 684-7400, e-mail or visit .

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